USB flash drive



FIG. 1 is a perspective view of a USB flash drive showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view in use thereof.

The portions shown in dashed lines do not form part of the design. 

CLAIM The ornamental design for a USB flash drive, as shown and described. 